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Dissertations / Theses on the topic 'Efficiency of transport systems'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Guebeli, Markus. "Optimum efficiency control of the CTX powertrain." Thesis, University of Bath, 1993. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.359851.

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2

Fu, Jiali. "Evaluating and Improving the Transport Efficiency of Logistics Operations." Doctoral thesis, KTH, Transportplanering, ekonomi och teknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-204030.

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The thesis focuses on evaluating and improving the transport efficiency of two types of logistics operations in the supply chain. One research area is the production of raw material in construction operations, specifically earthmoving operations. Methods and tools are developed to provide decision support in improving the transport efficiency of earthmoving at the vehicle and the systems levels. Using known road topography and a GPS unit, an optimal control problem is formulated and solved (Paper III) to determine the optimal gear shift sequence and timing in order to improve the transport eff

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3

Kamiya, Norikazu. "Classical Reduction of Quantum Master Equations as Similarity Transformation." 京都大学 (Kyoto University), 2015. http://hdl.handle.net/2433/199085.

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4

Ljung, Patrik, and Robin Marpurg. "Packing Operation Efficiency at DSV Solutions." Thesis, Linköpings universitet, Kommunikations- och transportsystem, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-138682.

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Syftet med studien är att undersöka plockningsprocessen hos DSV Solutions i Norrköping och ta fram rekommendationer hur om hur plockningsprocessen kan tidseffektiveras. För att undersöka plockningsprocessen används observationer, tidsstudie, intervju och en workshop. Eftersom det finns effektiviseringspotential i plockningsprocessen är det viktigt att identifiera vilka aktiviteter som är värdeskapande och icke-värdeskapande. Om de icke-värdeskapande aktiviteterna kan minskas och lämna större plats åt de aktiviteter som skapar ett värde kan plockningsprocessen bli effektivare. Resultaten från t

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Шевченко, Юлія Вікторівна, Yuliya Viktorivna Shevchenko, Олена Євгенівна Соколова, Ірина Валеріївна Борець, Olena Evgeniyvna Sokolova, and Irina Valeriyvna Borets. "Efficiency of introduction of "green technologies" on aviation transport." Thesis, National Aviation University, 2018. https://er.nau.edu.ua/handle/NAU/45260.

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On the basis of the research, it was established that the use of "green" technologies in the aviation transport of Ukraine is an indispensable innovative solution for preserving natural resources and reducing its negative impact on ecosystems. An important tool for ensuring "green" growth is the formation of an effective system of environmental management of airlines and the introduction of a flexible environmental policy, taking into account the specific conditions of operation. It should be noted that due to state support in this direction it is possible to create a "clean" highly productive

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Lückemeyer, Gero [Verfasser]. "A Traffic Simulation System Increasing the Efficiency of Schedule Design for Public Transport Systems Based on Scarce Data / Gero Lückemeyer." Aachen : Shaker, 2007. http://d-nb.info/1170527523/34.

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7

Kim, Hongkyu. "Architectural enhancements for efficient operand transport in multimedia systems." Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-01022007-165414/.

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Thesis (Ph. D.)--Electrical and Computer Engineering, Georgia Institute of Technology, 2007.<br>Allen R. Tannenbaum, Committee Member ; Jeffrey A. Davis, Committee Member ; Hsien-Hsin S. Lee, Committee Member ; Linda M. Wills, Committee Co-Chair ; D. Scott Wills, Committee Chair ; Gabriel H. Loh, Committee Member.

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8

Kim, Hongkyu. "Architectural enhancements for efficient operand transport in multimedia systems." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/14595.

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Multimedia applications pose new challenges to computer architecture. Their tremendous communication demands severely burden the interconnect between functional units. This dissertation addresses to efficiently transport operands among computational and storage components. It provides architectural enhancements that enable the high bandwidth, low latency communication. This research analyzes multimedia workloads to characterize the communication patterns that occur in the execution of standard multimedia benchmarks. This empirical analysis indicates that most operands exhibit strong locality

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9

Chun, Jae Seung. "Efficiency of the evolution paths for space transportation system (STS) technology : a qualitative analysis." Université Louis Pasteur (Strasbourg) (1971-2008), 2005. https://publication-theses.unistra.fr/public/theses_doctorat/2005/CHUN_Jae_Seung_2005.pdf.

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Cette étude vise à analyser les facteurs à l'origine des problèmes rencontrés par les programmes américains de développement de lanceurs réutilisables (Reusable Launch Vehicles – RLV), en évaluant la plausibilité des sentiers d'évolution technologique. Afin d'arbitrer entre les sentiers, nous construisons dans un premier temps l'ensemble des sentiers évolutionnaires physiquement possibles, tels que déterminés par les facteurs purement endogènes. Nous avons dans un deuxième temps analysé leur plausibilité. Pour mener à bien la première étape nous avons élaboré une nouvelle méthodologie, ' l'Arb

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10

Salomonsson, Emilie. "Challenges for warehouse efficiency : A case study at a stock point warehouse." Thesis, Högskolan i Gävle, Avdelningen för industriell ekonomi, industridesign och maskinteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-36953.

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Introduction: Improving efficiency through the supply chain has long been strived for by management. Traditional approaches focus on improving efficiency in the supply chain through optimization of a company’s internal activities, where warehouses play an important role. Companies are therefore dealing with the dilemma of how to increase efficiency in their warehouse, yet at the same time reduce operational costs. Current research focuses on strategies to increase efficiency in conventional warehouses by studying design, operations, and planning. Digitalization and lean warehousing are also em

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Pickering, Jason C. Pickering. "Understanding Coulombic Efficiency Limitations in an Acid-Base Energy Storage System: Mass Transport Through Nafion." Case Western Reserve University School of Graduate Studies / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=case1528397906336044.

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12

Widler, Martina. "Survey and efficiency study of support- and spare parts inventory at Fiskeby Board in Norrköping." Thesis, Linköpings universitet, Kommunikations- och transportsystem, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-141682.

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Pappersbruket Fiskeby Board som är placerat i Norrköping tillverkar kartong av 100% returfibrer. Bruket har tillverkat papper i flera århundranden och är en av Europas äldsta tillverkare av papper och kartong. På pappersbruket finns ett underhålls- och reservdelslager som bistår med artiklar till hela företaget. Målet med studien är att ta fram förslag till hur förrådshanteringsprocessen kan förbättras för att göra den mer effektiv. Studien resulterade i 25 stycken förbättringsförslag, dessa förslag delades upp i två delar, de förbättringsförslag som kunde implementeras direkt och de som behöv

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Teran, Calle Efrain Andres. "Development of a control system to determine influence of rolling resistance in manual wheelchair dynamics and mechanical efficiency." Thesis, Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/52981.

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Wheelchair manufacturers design their products to provide the best possible experience to their users. The user effort and wheelchair mechanical efficiency during motion are highly affected by rolling resistance, which is a resistive force depending on many factors such as vehicle speed, tire/floor materials and tire inflation pressure. The study of this force over several conditions could lead to improvements in wheelchair design. The Anatomical Model Propulsion System (AMPS) is a robotic device to test manual wheelchairs with better repeatability than human subjects, helping to identify the

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Cutchin, Andrew E. Donahoo Michael J. "Towards efficient and practical reliable bulk data transport for large receiver sets." Waco, Tex. : Baylor University, 2007. http://hdl.handle.net/2104/5140.

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Cher, Pei Hua. "Running efficiency measures and their relationship with speed." Thesis, Queensland University of Technology, 2016. https://eprints.qut.edu.au/97686/1/Pei%20Hua_Cher_Thesis.pdf.

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This thesis investigates physiological and physical efficiencies in human sub-maximal running through developing systems for improving running efficiency by providing appropriate real time feedback. Four measures cost of transport, gait variability, step frequency and gait stability were selected to determine the most efficient measure or measures to provide feedback to the runners. These measures were studied with their relation with speed in treadmill and overground conditions and considerations of their suitability for real-time feedback systems to improve efficiency in runners.

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GITTO, SIMONE. "The measurement of productivity and efficiency: theory and applications." Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2009. http://hdl.handle.net/2108/835.

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Questa tesi discute diversi metodi per la stima della produttivita’ ed efficienza. Sono discussi i recenti miglioramenti nelle tecniche di stima con tre diverse applicazioni. Nella prima applicazione, l’indice di Tornqvist e’ usato per stimare la produttivita’ totale dei fattori di Alitalia, la principale compagnia area Italiana. Nella seconda applicazione, la DEA boostrata e’ impiegata per investigare l’efficienza e le caratteristiche manageriali degli aeroporti italiani. Nella terza applicazione, uno stimatore iperbolico alpha-quantile e’ utilizzato nello studio dell’efficienza e della pro

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Husted, Christopher. "Improving the efficiency of assigning vehicles to auto carrier loads : a decision support system." Thesis, Stellenbosch : Stellenbosch University, 2008. http://hdl.handle.net/10019.1/18129.

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Thesis (MBA)--Stellenbosch University, 2008.<br>ENGLISH ABSTRACT: Auto Carrier Transport (ACT) is the motor ferrying division of Grindrod South Africa (Pty) Ltd and is contracted to transport the product of 15 different vehicle manufacturers. The division is responsible for ensuring that the combined annual volumes of each contract, totalling over 300 000 vehicles per year, are delivered to the right place, at the right time, and in the right condition. ACT's operating mandate thus focuses on the outbound logistics of new vehicles, which implies moving cars from either the local manufact

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Arnesson, Sebastian, and Emil Bergqvist. "Article placement for an efficient order picking." Thesis, Linköpings universitet, Kommunikations- och transportsystem, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-150150.

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Lager har en betydelsefull roll i många försörjningskedjor. Att driva ett lager medför stora kostnader och företag strävar därför efter att ha en så effektiv lagerhållning som möjligt. Ett sätt att förbättra sin lagerhållning är att klassificera sina artiklar och placera dem utefter denna klassificering. Effekter företag kan få ut av en fördelaktig artikelplacering är, exempelvis reducering av orderplockningens tid vilket leder till ett effektivare orderplockning. Orderplockning är en av de viktigaste aktiviteterna i ett lager, eftersom den kräver mycket resurser i form av personal och tid. Sy

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Новак, Валентина Олексіївна, Valentyna Novak, Оксана Миколаївна Кириленко, Oksana Kyrylenko, Катерина Миколаївна Разумова, and Kateryna Razumova. "Development of air transportation during the years of independence of Ukraine." Thesis, National Aviation University, 2020. https://er.nau.edu.ua/handle/NAU/50126.

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The level of development of the state transport system is one of the most important signs of its technological progress. The transport system becomes the basis for Ukraine's effective entry into the world community and taking a place in it that corresponds to the level of a highly developed country.<br>Рівень розвитку державної транспортної системи є однією з найважливіших ознак її технічного прогресу. Транспортна система стає основою для ефективного вступу України до світового співтовариства та посідання в ній місця, яке відповідає рівню високорозвиненої країни.<br>Уровень развития государств

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20

Moberg, Olivia, and Jennie Marke. "Transporteffektivitet i avskilda transportsystem med hänsyn till säsongsvariation." Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-12767.

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Denna kandidatuppsats behandlar förslag på hur transporteffektivitet kan ökas med hänsyn tillsäsongsvariation i ett avskilt system. Ämnesområdet för uppsatsen är distribution och logistik.Uppsatsen har utförts i samarbete med Orust Kretsloppsakademi, Orust kommun och företag iOrust kommun.I syfte att ge förslag på hur transporteffektiviteten kan ökas i Orust kommun har olika sätt attutforma ett transportsystem studerats och utvärderats i termer av de fyraeffektivitetsvariablerna tid, kostnad, flexibilitet och miljö.Det avskilda system tillika avgränsning för uppsatsen som har studerats är vägt

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Genet, Benjamin. "On monitoring methods and load modeling to improve voltage stability assessment efficiency." Doctoral thesis, Universite Libre de Bruxelles, 2009. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210258.

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Power systems must face new challenges in the current environment. The energy market liberalization and the increase in the loading level make the occurrence of instability phenomena leading to large blackouts more likely. Existing tools must be improved and new tools must be developed to avoid them.<p><p>The aim of this thesis is the improvement of the voltage stability assessment efficiency. Two orientations are studied: the monitoring methods and the load modeling.<p><p>The purpose of the monitoring methods is to evaluate the voltage stability using only measurements and without running sim

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22

David, Carlsson, and Nilsson Björn. "Efficient internal material flow of boxes to gain a well-organized supply of components : A case study at Scania engine assembly." Thesis, Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-63771.

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Within manufacturing organizations, the material flow is a promoted part of the supply chain to evaluate, since it often stands for a significant part of the costs. The evaluation refers to the analysis and optimization of the material flow that arise during manufacturing of products. It can focus on very different levels, such as the material flow in a region or within a company’s internal processes. However, the material flow is concerned with the transportations, operations and storages of materials. A well-organized material flow enables organizations to cutting costs and increase competit

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Zhou, Jiaqi. "Etude ab initio du transport quantique dépendant du spin." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS508/document.

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Les dispositifs spintroniques exploitent le degré de liberté du spin électronique pour traiter l'information. Dans cette thèse, nous étudions les propriétés de transport quantique dépendant du spin pour optimiser les performances des composants associés. Par l’approche ab initio, nous calculons la magnétorésistance à effet tunnel (tunneling magnetoresistance, TMR), l’effet Hall de spin (spin Hall effect, SHE) et l’efficacité de l’injection de spin (spin injection efficiency, SIE). Nous montrons ainsi que les métaux lourds (heavy metals, HM) influencent la TMR dans des jonctions tunnel magnétiq

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Mignaco, Andre Gustavo. "Analise de desempenho de redes de sensores sem fio." [s.n.], 2005. http://repositorio.unicamp.br/jspui/handle/REPOSIP/259713.

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Orientador: Paulo Cardieri<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e Computação<br>Made available in DSpace on 2018-08-06T17:02:09Z (GMT). No. of bitstreams: 1 Mignaco_AndreGustavo_M.pdf: 1003880 bytes, checksum: e71bd78fe77a5cd7d4f324c8bc14791b (MD5) Previous issue date: 2005<br>Resumo: As redes de sensores sem fio têm merecido atenção especial nos últimos anos graças às suas características intrínsecas que as tornam atrativas em diversas aplicações, como em atividades industriais, de monitoramento de meio ambientes e segurança, entre

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Vigren, Andreas. "Competition in Public Transport : Essays on competitive tendering and open-access competition in Sweden." Doctoral thesis, KTH, Transportvetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-217267.

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The results of this work show that the cost efficiency of tendered bus services is similar across all Swedish counties, except for the more high-density counties where efficiency is lower. Considerably lower efficiency is also found for contracts with services run in-house by the Public Transport Authority (PTA), compared to when the same service is run by a private actor. With respect to the competitive environment, it was found that many contract design factors have little or no effect on the number of bids that the PTA sees in their tenders. No measure that could be imposed by a single PTA

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Lenner, Andreas, and Sebastian Zawadzki. "Placement of work stations for optimized and efficient cooperation in the Östgöta control center." Thesis, Linköpings universitet, Kommunikations- och transportsystem, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-137667.

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Det finns olika sätt att öka kapaciteten hos en flygledare. En av de är att göra samordningar mer effektiva. Samordningar sker idag via datalänk eller verbalt, då genom telefonsamordning eller face-to-face. Det finns även icke verbala samordningar där bara kroppsspråk står för en del av kommunikationen. På en kontrollcentral utförs många samordningar och informationsdelningar mellan flygledare. Detta görs för att kunna hålla en hög säkerhet men ändå arbeta på ett effektivt sätt. Östgöta kontrollcentral, ÖKC, har undersökts för att se om informationsdelningen kan bli effektivare samt om en flyg

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Comellas, Andrés Martí. "Transmission system for an off-road multiple axle wheeled vehicle. Performance and energetic efficiency modelization." Doctoral thesis, Universitat de Lleida, 2013. http://hdl.handle.net/10803/129315.

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Actualment existeix un interès creixent en desenvolupar vehicles que permetin la seva mobilitat en terrenys abruptes. Els vehicles de rodes són els que presenten una millor relació entre la capacitat de superació d’obstacles i eficiència energètica. En aquesta tesi s’analitza l’eficiència energètica i les prestacions de les transmissions hidrostàtiques de vehicles de múltiples eixos amb configuracions complexes destinats a operar en terrenys irregulars. Els objectius són desenvolupar una metodologia per al disseny de transmissions hidrostàtiques d’aquest tipus de vehicles i analitzar els ren

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Orság, Josef. "Analýza výstupních parametrů traktoru Zetor s různou konstrukcí převodovek." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-378006.

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This thesis deals with energetical and efficiency comparison of two tractor transmission types, used by the Zetor company. The description of transmission construction types of various tractor producers is given, with focus on Zetor tractors transmission construction. The laboratory methodology and operating tractor and tractor sets measurement is described. The individual results are introduced in tables and graphs and subsequently evaluated.

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Das, Pragna. "Adaptive multi-robot control through on-line parameter identification at system level." Doctoral thesis, Universitat Autònoma de Barcelona, 2018. http://hdl.handle.net/10803/650337.

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Las instalaciones industriales y de almacenamiento están pobladas por equipos de vehículos guiados automáticos (AGVs por sus siglas en inglés), que se encargan de la logística interna. Las soluciones implementadas, del estado del arte para los procesos de toma de decisiones en la planificación y el control de este tipo de sistemas de robots múltiples (MRSs por sus siglas en inglés) no abarcan el análisis en tiempo real de los comportamientos de los robots y el medio ambiente. Las condiciones de las partes de los robots móviles (MRs por sus siglas en inglés), el estado de carga de las baterías

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Sanfridsson, Jacob, and Ida Pettersson. "DETERMING THE MOST COST EFFICIENT DISTRIBUTION STRUCTURE : A CASE STUDY INVESTIGATING IF A CHANGE OF INBOUND DELIVERY POINT WOULD REDUCE THE TOTAL COST." Thesis, Linköpings universitet, Logistik- och kvalitetsutveckling, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-151241.

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Toyota Material Handling Europe, TMHE, is one of the worlds leading forklift manufacturers, who produces both warehouse and counterbalanced forklifts at three production sites across Europe. At each of the three production sites, there are three central warehouses, CWs, which stores spare parts to the forklifts. These CWs are managed by Toyota Material Handling Europe Logistics, TMHEL. TMHEL are responsible for all CWs and regional warehouses, RWs of spare parts, so that spare parts is available to service technicians in Europe within 24 hours. The current distribution structure of the spare p

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Baaoth, Mirna, and Sara Erlander. "Allocation of a cost-efficient job due date for customer orders." Thesis, Linköpings universitet, Kommunikations- och transportsystem, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-178106.

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Holmen Paper Braviken använder sig av ett så kallat preliminärt utlastningsdatum i sin planeringsprocess av produktion och transport. Det preliminära utlastningsdatumet bestäms i dagsläget endast utifrån det datum som kunden önskar att få sin order levererad samt transporttid till kunden. Eftersom det preliminära utlastningsdatumet i dagsläget bestäms utan att ta hänsyn till produktionen eller kundorderns egenskaper kan det i vissa fall leda till att kundordrar blir försenade eller produceras i förtid. Effekterna av detta blir ökade kostnader för förseningar samt lagring. Studien syftar till a

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Tobal, Elias. "Förbättring av det interna informationsflödet inom Postnord Sverige ABs postkontor på Värmdö." Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-358017.

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Föreställ dig att du arbetar på en arbetsplats som har en brist på dokumenterad information. Information kommuniceras oftast genom dagliga informationsmöten, varav en del anställda inte kan delta på dessa möten på grund av att de är på tjänstgöring. Informationen dokumenteras inte heller och utfallet resulterar i att vissa anställda saknar information för att arbeta effektivt utifrån organisationens perspektiv. Den generella arbetsinsatsen på organisationen kan ses som effektivt för den enskilda medarbetaren. Informationen och rutinerna standardiseras inte inom alla distrikt i postkontoret. Vi

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Ewald, Lina, Arvid Hjortstam, and Jesper Wilén. "Blockchain Technology in Transportation Management : A case study with Rhenus Logistics AB." Thesis, Linnéuniversitetet, Institutionen för ekonomistyrning och logistik (ELO), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-105226.

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Purpose: In this study, areas of use of blockchain technology in transportation management will be discussed. The purpose is to contribute with theoretical research of advantages and disadvantages of blockchain technology in transportation management before an implementation at Rhenus Logistics. Methodology: Through interviews and literature, ways of using blockchain in transportation management is researched. A case study is set up, to further analyze the research topic from the view of an individual third-party logistic company. Findings: Results showed that for a third-party logistic pro

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Trosell, Sanna, and Simon Waage. "Effektivisering av varu-och lagerhantering för ökat kundfokus : En fallstudie inom detaljhandeln." Thesis, Högskolan i Gävle, Industriell ekonomi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-33099.

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Swedish retail industry is facing a challenging future in terms of creating positive customer experiences due to an increasingly digitized world. The market and shopping patterns have changed drastically, and customers expect a higher level of customer service while retail staff spend a lot of time receiving deliveries and handling goods. Successful work with Lean has long helped other industries to streamline their tasks. The question remains whether Lean can help create enabling conditions for the retailer to streamline product and inventory management and be able to allocate time to custome

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Воронежцева, О. С. "Підвищення ефективності міжнародних вантажоперевезень морським транспортом (на прикладі Одеського регіону)". Thesis, Одеський національний економічний університет, 2021. http://local.lib/diploma/Voronezhtseva.pdf.

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Доступ до роботи тільки на території бібліотеки ОНЕУ, для переходу натисніть на посилання нижче<br>У роботі розглядаються теоретичні аспекти дослідження міжнародних перевезень вантажів морським транспортом транспортом, досліджено їх поняття та особливостi. Проведено узагальнення чинників, що впливають на ефективність міжнародного перевезення вантажів морським транспортом; проведено дослідження методів її визначення. Надано характеристику міжнародних перевезень вантажів Одеського регіону. Проаналізовано чинники, що впливають на міжнародні перевезення вантажів морським транспортом Одеського регі

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Abubakr, Raowa, and Pooja Patel. "Packaging systems decision makin; to assure cost efficient transports." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Industriell organisation och produktion, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-31023.

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Isevall, Holmlund Lovisa. "Increasing transport efficiency at OKG." Thesis, Linköpings universitet, Kommunikations- och transportsystem, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-112091.

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Detta arbete är utfört på uppdrag av OKG AB som äger Oskarshamnsverket där verksamheten består av elproduktion i form av kärnkraft. Syftet med arbetet är att se över möjligheter företaget har att effektivisera transportlogistiken på industriområdet. För att hitta effektiviseringspotential ingick en flödeskartläggning av transporterna på det inre området, att analysera flaskhalsar samt förändringar företaget kan införa för att nå förbättringar kring transportverksamheten. Det första delmomentet i arbetet bestod av att ta fram en grund till utredningen i form av en teoretisk referensram samt att

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Syed, Haseeb Ahmed, and Olanrewaju John Ajifowowe. "Evaluation and assessment of relocation from a city to the outskirts: Case study DHL Gävle (Sweden)." Thesis, Högskolan i Gävle, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-27353.

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The ‘City Logistics’ activities are contributing to traffic congestion and accumulating to environmental challenges, such situation has prompted the creation of urban consolidation centre (UCC), as a multimodal logistics park facility in the outskirts. The relocation of business from a city to the outskirts requires the evaluation and assessment of the key factors in order to make the better decisions. However, no relocation decisions evaluation model has been found, neither its application on the case company to find the effects of relocation on the logistics firms. This study is aimed at dev

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Anany, Hossam. "Effectiveness of a Speed Advisory Traffic Signal System for Conventional and Automated vehicles in a Smart City." Thesis, Linköpings universitet, Kommunikations- och transportsystem, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-156650.

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This thesis project investigates the state-of-the-art in traffic management "Green Light Optimal Speed Advisory (GLOSA)" for vehicles in a smart city. GLOSA utilizes infrastructure and vehicles communication through using current signal plan settings and updated vehicular information in order to influence the intersection approach speeds. The project involves traffic microscopic simulations for a mixed traffic environment of conventional and automated vehicles (AVs) both connected to the intersection control and guided by a speed advisory traffic management system. Among the project goals is t

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Walter, Matthias. "Efficiency and Competition in Public Transport." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-27042.

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Bus and other road-bound services like tram and light railway are the backbone of the German local public transport sector. Based on the characterization of high deficits and fragmentation, five main research questions and hypotheses are investigated in this dissertation. First, advanced Stochastic Frontier models which account for unobserved heterogeneity and heterogeneous output variables are used to study cost efficiency and its determinants such as the vehicle utilization rate. Second, economies of scale and scope are evaluated. Third, based on the finding of substantial economies of scal

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Huang, Jun, and 黃俊. "Efficiency enhancement for nanoelectronic transport simulations." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hdl.handle.net/10722/196031.

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Continual technology innovations make it possible to fabricate electronic devices on the order of 10nm. In this nanoscale regime, quantum physics becomes critically important, like energy quantization effects of the narrow channel and the leakage currents due to tunneling. It has also been utilized to build novel devices, such as the band-to-band tunneling field-effect transistors (FETs). Therefore, it presages accurate quantum transport simulations, which not only allow quantitative understanding of the device performances but also provide physical insight and guidelines for device optimizati

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Gowda, Shivaprasad Chethan, and Joe Paul. "An efficient scheduling and planning system to increase productivity in Third Party logistics. : System to provide alternative planning and scheduling for unexpected situations." Thesis, Jönköping University, JTH, Produktionsutveckling, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-52298.

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This thesis concentrates on implementing an efficient scheduling and planning system for a Third-Party Logistics Company as a 3PL has more restrictions and parameters on how their work gets carried out on daily basis. The problems associated with the case company is that the company has poor scheduling and planning system which is leading to decrease in productivity and increase in backlog of work. Due to lag in information flow between the stakeholders, planner is unable to predict the different situation. In this technological era, it is important to enhance planning and scheduling which dir

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Дегтярьова, Ія Олександрівна, Ия Александровна Дегтярева, Iia Oleksandrivna Dehtiarova, and D. Snitko. "Ecological-economic systems efficiency." Thesis, Видавництво СумДУ, 2009. http://essuir.sumdu.edu.ua/handle/123456789/7833.

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Hussain, Zaiem B. "Evaluation of transport efficiency through Dover harbour." Thesis, Cardiff University, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.281967.

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Schurr, Naomi D. (Naomi Danika). "Climatic influences on hillslope soil transport efficiency." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/90655.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, 2014.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 36-38).<br>The soil transport coefficient D represents the relationship between local topographical gradient and soil flux in the landscape evolution model. This work presents new estimates of the soil transport coefficient D at 9 sites and compares them, along with a compilation of 16 previously published estimates of D, against three climate proxies (mean annual precipitation, aridity index,

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Andersson, Gabriella, and Eva Jonsson. "Transport Cartons' Impact on Supply Chain Efficiency." Thesis, KTH, Industriell ekonomi och organisation (Inst.), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-261675.

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Large product assortments commonly lead to that fast fashion retailers have a large number of transport cartons, with varying sizes, to distribute products from manufacturing sites to distribution centers. Ultimately, the transport cartons have a large impact on the supply chain efficiency, as they affect several nodes in the supply chain network. Previous research has considered transport cartons’ impact on individual supply chain nodes, but little research has been devoted to evaluate the transport cartons impact on the supply chain network as a whole. Thus, this thesis aims to contribute wi

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Fransson, Mattias, and Mattias Jamtlien. "Slöseri i produktionsflödet: Analys av en platsgjuten betongvägg." Thesis, Linnéuniversitetet, Institutionen för byggteknik (BY), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-79152.

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Höga byggkostnader och betydande bostadsbrist i Sverige visar att ett effektivare bostadsbyggande krävs. En reducering av slöseri i byggprocessen bidrar till en effektivisering av både tid och kostnad. För att öka förståelsen för vikten av effektivisering synliggör den här studien slöseri i produktionsflödet för en platsgjuten betongvägg i ett bostadsprojekt. Studien visar även var i produktionsflödet det finns förbättringsmöjligheter. Slöseriet synliggjordes genom en tidsstudie som visade på stor potential till förbättring i bostadsprojektets resursflöde, materialflöde och informationsflöde.

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Biaou, Ulrich. "Étude et mise en oeuvre d'une plateforme hybride basée sur du sans fil pour l'efficience énergétique et le contrôle d'accès dans le train." Thesis, Valenciennes, 2017. http://www.theses.fr/2017VALE0042/document.

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Les besoins de nouveaux services dans les rames ferroviaires ( le comptage, l’efficience énergétique, le confort et la sécurité des passagers etc.), risquent de saturer à terme les systèmes de communication filaires mis en place il y a une vingtaine d’années. Les réseaux de capteurs sans fil, par leurs avantages (déploiement facile, capacité à s’adapter à plusieurs types d’environnements, faible consommation d’énergie), ouvrent de nombreuses perspectives pour les systèmes de gestion énergétique. Le but de ce travail de thèse est d’étudier et mettre en oeuvre un réseau de capteurs sans fil à l’

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Anhammer, Ida, and Rebecca Asp. "Informationssystemets inverkan på SMF i logistikbranschen : Fallstudie på Pallservice Renova Syd AB." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Industriell organisation och produktion, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-41861.

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Purpose – The aim of the study is to identify, from an operational and strategic perspective, the impact of a digital information system on SME in the logistics industry.Based on the purpose of the study, two questions have been formulated. • What effects can a digital information system provide on an information flow at an operational level?• What strategic benefits can a digital information system give? Method – A case study has been conducted on a small logistics company that manages, repairs and manufactures pallets. The data collection was conducted through interviews and observations. Ba

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Wendell, Dawn M. (Dawn Marie) 1983. "Transport in granular systems." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/69499.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2011.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 93-98).<br>There are many situations in which a continuum view of granular systems does not fully capture the relevant mechanics. In order for engineers to be able to design systems for transporting granular materials, there needs to be an understanding of the mechanics of granular systems and how their non-continuous behavior affects their dynamics. This thesis takes an example of a granular system from nature and us

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